Add the fast performance of an M.2 NVMe SSD and M. 2 SATA SSD to your desktop computer or server by converting the drive through a U.2 (SFF-8639) compatible interface.(NOTE:The adapter is U.2 SFF-8639 port not SATA port.) 2 in 1 - M key for M.2 PCIe SSD. The converter can be installed into the system internally through the U.2 68 pin interface? B key for M.2 SATA SSD.The converter can be installed into the system internally through the SATA Express interface. Support 2280/2260/2242/2230 mm M.2 SSD. Built-in LED indicator, easy to check whether the connection is successful and hard disk working status. System requirements :Windows 7/8/10, Linux and a free U.2 SFF-8639 interface.